SpiderForMySQL.com
Spider is the first step when accessing a remote database and a storage engine that updates and improves upon the existing architecture of MySQL. Spider supports database transaction. In addition Spider allows an unlimited amount of users to quickly access the MySQL database. Spider supports MySQL partitioning. Spider operates as a "cluster" acting as a single system that supports unlimited parall
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2009/05/12 米新èžç¤¾å¤§æ‰‹ã®ãƒ‹ãƒ¥ãƒ¼ãƒ¨ãƒ¼ã‚¯ãƒ»ã‚¿ã‚¤ãƒ ズã¯5月11æ—¥ã€Rubyã«ã‚ˆã‚‹å¤§è¦æ¨¡åˆ†æ•£å‡¦ç†ã®ãƒ„ールã‚ット「Map/Reduce Toolkitã€ï¼ˆMRToolkit）をGPLv3ã®ä¸‹ã«ã‚ªãƒ¼ãƒ—ンソースã§å…¬é–‹ã—ãŸã¨ç™ºè¡¨ã—ãŸã€‚MRToolkitã¯ã€ã™ã§ã«ç¨¼åƒã—ã¦ã„るクラスタ上ã®Hadoopã¨åˆã‚ã›ã¦ä½¿ã†ã“ã¨ã§Rubyã§å®¹æ˜“ã«Map/Reduce処ç†ã‚’記述ã™ã‚‹ã“ã¨ãŒã§ãる一種ã®ãƒ©ãƒƒãƒ‘ー。処ç†è‡ªä½“ã¯HadoopãŒè¡Œã†ã€‚ã™ã§ã«Hadoopを使ã£ã¦ã„るユーザーã§ã‚ã‚Œã°ã€ä¸å°è¦æ¨¡ã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«å¯¾ã—ã¦ã€ã™ãã«MRToolkitã‚’é©ç”¨å¯èƒ½ã¨ã—ã¦ã„る。 デフォルトã§æœ‰ç”¨ãªMapã€Reduceã®å‡¦ç†ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ãŒå«ã¾ã‚Œã¦ã„ã¦ã€æ•°è¡Œã®Rubyスクリプトを書ãã ã‘ã§ã€ä¾‹ãˆã°è†¨å¤§ãªApacheã®ãƒã‚°ã‹ã‚‰IPアドレス別ã®é–²è¦§å±¥æ´ã‚’ã¾ã¨ã‚ã‚‹ã¨ã„ã£ãŸå‡¦ç†ãŒå¯èƒ½ã¨ã„ã†ã€‚独自ã«Mapã‚„Reduceã®å‡¦ç†ã‚’定義ã™ã‚‹ã“ã¨ã‚‚
Richard Jones | Anti-RDBMS: A list of distributed key-value stores | Richard Jones, Esq.
Please Note: this was written January 2009 - see the comments for updates and additional information. A lot has changed since I wrote this. Perhaps you’re considering using a dedicated key-value or document store instead of a traditional relational database. Reasons for this might include: You're suffering from Cloud-computing Mania. You need an excuse to 'get your Erlang on' You heard CouchDB was
Building the Never Blocking Rails, Making Rails 12X Faster
They told you it can't be done, they told you it has no scale. They told you lies! What if you suddenly had the ability to serve mutliple concurrent requests in a single Rails instance? What if you had the ability to multiplex IO operations from a single Rails instance? No more what ifs. It has been done. I was testing NeverBlock support for Rails. For testing I built a normal Rails application. N
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